Polymers that contain only a single type of repeat unit are known as homopolymers, while polymers containing a mixture of repeat units are known as copolymers. Poly(styrene), for example, is composed only of styrene monomer residues, and is therefore classified as a homopolymer.olymers that contain only a single type of repeat unit are known as homopolymers, while polymers containing a mixture of repeat units are known as copolymers. Poly(styrene), for example, is composed only of styrene monomer residues, and is therefore classified as a homopolymer.
This name, similar to Ryan and Rylan, has gained popularity of late. After reaching a new high in 2013, it settled back down 30 places last year. It's the full birth name of legendary musician Ry Cooder.his name, similar to Ryan and Rylan, has gained popularity of late. After reaching a new high in 2013, it settled back down 30 places last year. It's the full birth name of legendary musician Ry Cooder.
Crystal is a very prominent first name for women (#102 out of 4276, Top 2%) and also a very prominent last name for all people (#14064 out of 150436, Top 9%). (2000 U.S. Census). Displayed below is the baby name popularity of Crystal for girls.rystal is a very prominent first name for women (#102 out of 4276, Top 2%) and also a very prominent last name for all people (#14064 out of 150436, Top 9%). (2000 U.S. Census). Displayed below is the baby name popularity of Crystal for girls.